There are several quizzes available online that can help you determine which martial art you should learn. Here are some of the most popular ones:

1. BrainFall Quiz: This quiz asks questions about your personality, goals, and interests to determine which martial art would be best for you.

2. Quiz Expo: This quiz asks 20 questions about your skills and preferences to recommend a martial art that would suit you. It also provides information on different types of martial arts to help you make an informed decision.

3. Iain Abernethy Quiz: This quiz asks questions about your physical abilities and preferences to recommend a martial art that would be a good fit for you.

4. Reddit: This thread provides a simple quiz that recommends catch wrestling based on your answers.

5. Quizondo: This quiz provides a thorough understanding of the different types of martial arts and helps you gain insightful and in-depth knowledge about the various kinds and styles of martial arts. It also gives players the needful realization.

6. Quotev: This quiz helps determine which martial art you should study based on your personality and preferences.

Its important to note that these quizzes are not definitive and should be taken with a grain of salt. They can, however, provide a starting point for your research and help you narrow down your options. Ultimately, the best way to determine which martial art you should learn is to try out different styles and see which one resonates with you the most.